From: Robert Klemme <bob.news@...>
Date: 2003-08-01T16:47:26+09:00
Subject: Re: Ruby could be wildly more popular if it had ...


"Gavin Sinclair" <gsinclair@soyabean.com.au> schrieb im Newsbeitrag
news:36035.203.185.214.34.1059698367.squirrel@webmail.imagineis.com...
> >>
> >> But then you get some larger ones:
> >>
> >>   set.map { |e|
> >>     if something
> >>       e.x
> >>     else
> >>       e.y
> >>     end
> >>   }
> >
> > [Robert:]
> > Know your ternary operator: :-)
> > set.map { |e| something ? e.x : e.y }
>
> I know my ternary operator, but:

No offense intended.  Sorry, if that sounded a bit aggressive.

>   - in my code snippet, "something", "e.x", and "e.y" were placeholders

I see.

>     for something far bigger than you or I could imagine

Wow... (Robert silences in awe.)  :-)

>   - sometimes there is multi-part processing do be done before arriving
>     the "return value" for the block

Yep.  In Ruby anyway you can easily replace ?: with the far more readable

set.map { |e| if something then e.x else e.y end }

so it's still a one liner in this case. :-)

Cheers

    robert